351 



A triplex — Continued. 



subconferta, 339 



subdecumbens, 276-278 



subspicata, 254 



suckleyana, 265 



tampicensis, 297 



tatarica, 245, 259, 260, 261 



tenuissima, 245, 270, 273, 274 



tetraptera, 345 



texana, 297 



thoraberi, 302 



torreyi, 337 



tridentata, 324, 327 



trinervata, 285 



truncata, 238, 240, 241, 243, 245, 276-278, 279, 281, 

 282 

 saccaria, 281 

 stricta, 276, 277 



tuberculata, 297 



tularensis, 245, 270, 271, 272, 273 



umbellata, 293 



vema, 289 



vesicaria, 264 



volutans, 286 



wardi, 297 



watsoni, 311 



woKi, 245, 272, 273, 278, 279 



wrighti, 243, 244, 246, 293, 298, 304, 305, 307 



zosteraefolia, 254 

 Australian Saltbush, 262 

 Avena fatua, 56, 312 

 Axyris pentandra, 294, 297 

 Baeria chrysostoma, 33, 312 

 BaUscale, 309 

 Beach Sage wort, 67 

 Berberis aquifolium, 71 

 Beta, 235 



Biennial Sagewort, 101 

 Bigelovia, 157-160, 174 



albida, 193 



bigelovi, 218 



bolanderi, 202 



ceruminosa, 218 



collina, 218 



douglasi, 181, 184 



lanceolata, 184 



latifolia, 184 



puberula, 184 



pumila, 184 



serrulata, 184 



spathulata, 184 



stenophylla, 183, 184 



tortifolia, 184 

 dracunculoides, 218 

 glareosa, 217, 218 

 glauca, 185 

 graveolens, 218 

 albicaulis, 218 

 appendiculata, 218 

 glabrata, 218 

 hololeuca, 211, 218 

 latisquamea, 212, 218 

 greenei, 190, 191 

 howardi, 202 



attenuata, 201, 202 



nevadensis, 202 

 juncea, 170, 216, 218 



Bigelovia — Continued. 



lanceolata, 185 



leiosperma, 218 

 abbreviata, 218 



linifolia, 185 



menziesi scopulorum, 179 



missouriensis, 218 



mohavensis, 216, 218 



nevadensis, 202 



nudata, 157 



paniculata, 175, 176 



parryi, 202 



pulchella, 194 



pyramidata, 197 



teretifolia, 177 



turbinata, 217, 218 



vaseyi, 179, 180 



viscidiflora, 185 

 Birdfoot Sagebrush, 131 

 Black Sage, 150 

 Blitum, 235 

 Boreal Sagewort, 57 

 Bouteloua, 206 



gracilis, 105, 192, 195, 197 

 Bractscale, 305 

 Brittlescale, 274 

 Broadscale, 321 

 Bromus maximus, 56 

 Bud Sagebrush, 132 

 Burscale, 320 

 Bush, Golden, 174 

 Calligonum canescens, 343, 346 

 Carex, 65 



Cattle Spinach, 332 

 Ceanothus, 55 

 Centaurea meUtensis, 101 

 Cerastium viscosum, 10 

 Cereus, 332 

 Chaenactis, 33 



carphoclinia, 33 

 Chamartemisia, 31, 32 

 Chenopodium, 235 



subspicatum, 249, 254 



zosteraefolium, 253, 254 

 Chondrophora, 158-160, 180 



nudata, 157 

 Chrysanthemum, 35 

 Chrysocoma, 157, 174, 219 



dracunculoides, 218, 219 



graveolens, 189, 214, 218, 219 



nauseosa, 209, 213, 219, 226 

 Chrysopsis, 13 



Chrysothamnopsis, Sect., 160, 174 

 Chrysothamnus, 24-26, 29, 157-234, 340 



affinis, 202 



attenuatus, 202 



albidus, 159, 161, 163, 165, 166, 172, 175, 192, 193 



angustus, 219, 227 



appendiculatus, 219 



arizonicus, 219 



asper, 200, 202 



attenuatus, 202 



bailey i, 194 



bakeri, 180 



bigelovi, 194, 219 



bloomeri, 158 



bolanderi, 160, 202 



